'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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You burn 26 calories in a one minute kiss.
605
Couples' personalities converge over time to make partners more and more similar.
235
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26